Random resistivity network calculations for cuprate superconductors with an electronic phase separation transition

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorPinheiro, Carlos Felipe Saraiva-
Autor(es): dc.creatorMello, Evandro Vidor Lins de-
Data de aceite: dc.date.accessioned2019-11-06T13:25:22Z-
Data de disponibilização: dc.date.available2019-11-06T13:25:22Z-
Data de envio: dc.date.issued2012-10-16-
Data de envio: dc.date.issued2012-10-16-
Data de envio: dc.date.issued2012-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/123456789/1646-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/555046-
Descrição: dc.descriptionThe resistivity as a function of temperature for high temperature superconductors is very unusual and, despite its importance, lacks a unified theoretical explanation. It is linear with the temperature for overdoped compounds but it falls more quickly as the doping level decreases. The resistivity of underdoped cuprates increases like that of an insulator below a characteristic temperature where it shows a minimum. We show that this overall behavior can be explained by calculations using an electronicphase segregation into two main component phases with low and high electronic densities. The total resistance is calculated from the various contributions through several processes of random picking of the local resistivities and using a common statistical random resistor network approach.-
Idioma: dc.languageen-
Direitos: dc.rightsO Periódico Physica A concede permissão para depósito do artigo no Repositório Institucional da UFOP. Número da licença: 3345930656208.-
Palavras-chave: dc.subjectPhaseseparationtransition-
Palavras-chave: dc.subjectHigh critical temperature transition-
Palavras-chave: dc.subjectSuperconductortransition-
Palavras-chave: dc.subjectRandomresistivitynetwork-
Título: dc.titleRandom resistivity network calculations for cuprate superconductors with an electronic phase separation transition-
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